/*
 * Copyright 2019 Ververica GmbH
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.ververica.flinktraining.examples.datastream_java.basics.utils;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.flink.streaming.api.functions.sink.SinkFunction;

public class SinkCollectingLongs implements SinkFunction<Long> {

	public static final List<Long> result =
			Collections.synchronizedList(new ArrayList<>());

	public void invoke(Long value, Context context) throws Exception {
		result.add(value);
	}
}
